19778040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18313}}^1$

素因数の和:18333

約数の個数: 64

約数和(自身を含む): 65930400

約数和(自身を除く): 46152360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18313, 36626, 54939, 73252, 91565, 109878, 146504, 164817, 183130, 219756, 274695, 329634, 366260, 439512, 494451, 549390, 659268, 732520, 824085, 988902, 1098780, 1318536, 1648170, 1977804, 2197560, 2472255, 3296340, 3955608, 4944510, 6592680, 9889020, 19778040]

約数ペア:

[(1, 19778040), (2, 9889020), (3, 6592680), (4, 4944510), (5, 3955608), (6, 3296340), (8, 2472255), (9, 2197560), (10, 1977804), (12, 1648170), (15, 1318536), (18, 1098780), (20, 988902), (24, 824085), (27, 732520), (30, 659268), (36, 549390), (40, 494451), (45, 439512), (54, 366260), (60, 329634), (72, 274695), (90, 219756), (108, 183130), (120, 164817), (135, 146504), (180, 109878), (216, 91565), (270, 73252), (360, 54939), (540, 36626), (1080, 18313)]